/*
 *  Copyright 2008-2010 the original author or authors.
 * 
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 * 
 *       http://www.apache.org/licenses/LICENSE-2.0
 * 
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *  under the License.
 */
package org.openaecfm.spf.io.constraint;

import org.openaecfm.model.constraint.BenchmarkEnum;
import org.openaecfm.model.constraint.Constraint;
import org.openaecfm.model.constraint.Metric;
import org.openaecfm.model.constraint.Reference;
import org.openaecfm.model.lang.AbstractEntity;
import org.openaecfm.spf.io.AbstractEntityInstanceInputImpl;
import org.openaecfm.spf.io.IAppDataManager;
import org.openaecfm.spf.io.IEntityInstanceOutput;
import org.openaecfm.spf.io.IEntityInstanceUtilInput;
import org.openaecfm.spf.io.IEntityInstanceUtilOutput;
import org.openaecfm.spf.io.measure.ValueIO;
import org.openaecfm.spf.model.DollarParameter;
import org.openaecfm.spf.model.EntityInstance;
import org.openaecfm.spf.model.EntityInstanceNameParameter;
import org.openaecfm.spf.model.EnumerationParameter;
import org.openaecfm.spf.model.NodeType;
import org.openaecfm.spf.model.Parameter;
import org.openaecfm.spf.model.SimpleEntityInstance;
import org.openaecfm.spf.model.StringParameter;

public final class MetricIO extends AbstractEntityInstanceInputImpl<Metric>
		implements IEntityInstanceOutput<Metric> {

	private IEntityInstanceUtilInput<Constraint> utilInput;
	private IEntityInstanceUtilOutput<Constraint> utilOutput;
	private ValueIO valueIO;

	public void setValueIO(ValueIO valueIO) {
		this.valueIO = valueIO;
	}

	public void setUtilOutput(IEntityInstanceUtilOutput<Constraint> utilOutput) {
		this.utilOutput = utilOutput;
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	public String exportSPF(Metric pojo, IAppDataManager appDataManager) {
		SimpleEntityInstance ei = new SimpleEntityInstance("IFCMETRIC",
				appDataManager.getName(pojo));

		utilOutput.exportSPF(pojo, ei, appDataManager);

		// Set Benchmark
		ei.addParameter(new EnumerationParameter(pojo.getBenchmark()));

		// Set ValueSource
		if (pojo.getValueSource() == null) {
			ei.addParameter(DollarParameter.getInstance());
		} else {
			ei.addParameter(new StringParameter(pojo.getValueSource(),
					StringParameter.UTF_8));
		}

		// Set DataValue
		Object datavaluetype = pojo.getDataValue();

		if (datavaluetype instanceof AbstractEntity) {
			ei.addParameter(new EntityInstanceNameParameter(appDataManager
					.getName(datavaluetype)));
		} else {
			ei.addParameter(valueIO.exportSPF(datavaluetype));
		}

		// Set ReferencePath
		if (pojo.getReferencePath() == null) {
			ei.addParameter(DollarParameter.getInstance());
		} else {
			ei.addParameter(new EntityInstanceNameParameter(appDataManager
					.getName(pojo.getReferencePath())));
		}

		return ei.toString();
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	protected Metric doCreateObject() {
		return new Metric();
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	public void resolveReferenceParameter(EntityInstance ei, Metric pojo,
			IAppDataManager appDataManager) {
		utilInput.resolveReferenceParameter(ei, pojo, appDataManager);

		SimpleEntityInstance sei = (SimpleEntityInstance) ei;

		// Set DataValue
		Parameter datavalue = sei.getParameter(9);
		if (datavalue.getNodeType() == NodeType.ENTITY_INSTANCE_NAME) {
			EntityInstanceNameParameter n = (EntityInstanceNameParameter) datavalue;
			pojo.setDataValue(appDataManager.getObject(n.toInstanceName()));
		}
		if (datavalue.getNodeType() == NodeType.TYPED_PARAMETER) {
			pojo.setDataValue(valueIO.importSPF(datavalue));
		}

		// Set ReferencePath
		Parameter referencePath = sei.getParameter(10);
		if (referencePath.getNodeType() == NodeType.ENTITY_INSTANCE_NAME) {
			EntityInstanceNameParameter e = (EntityInstanceNameParameter) referencePath;
			pojo.setReferencePath((Reference) appDataManager.getObject(e
					.toInstanceName()));
		}
	}

	public void setUtilInput(IEntityInstanceUtilInput<Constraint> utilInput) {
		this.utilInput = utilInput;
	}

	@Override
	protected void resolveNotReferenceParameter(EntityInstance ei, Metric pojo) {
		utilInput.resolveNotReferenceParameter(ei, pojo);

		SimpleEntityInstance sei = (SimpleEntityInstance) ei;

		// Set Benchmark
		EnumerationParameter benchmark = (EnumerationParameter) sei
				.getParameter(7);
		pojo.setBenchmark(BenchmarkEnum.valueOf(benchmark.toEnumString()));

		// Set ValueSource
		Parameter valuesource = sei.getParameter(8);
		if (valuesource.getNodeType() == NodeType.STRING) {
			StringParameter s = (StringParameter) valuesource;
			pojo.setValueSource(s.toUTF8());
		}
	}
}
